Shot gun
Shotgun firearm
Shotgun safety device
Shotgun with interchangeable magazine
Shoulder arm with swivel breech member
Shoulder-fired semi-automatic rifle
Side spring door action
Side-by-side cartridge magazine for cartridges
Side-by-side cartridge magazine for rim-fire cartridges
Side-by-side cartridge magazine for rim-fire cartridges
Signal launcher
SigSauer pistol with concealed radio transmitter
Single barrel break-action trap shotgun
Single shot falling block action
Single shot falling block action rifle
Single shot falling block action rifle
Single shot falling breech block rifle action
Single shot pistol
Single shot rifle having falling breechblock integral with stock
Single spring bolt lock and cartridge ejector